Home / 1,385,167.32-2,077,916.49-1,309,584.60

Finding the Fourth Proportional to 1,385,167.32, 2,077,916.49 and 1,309,584.60

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Solution

The fourth proportional to 1,385,167.32, 2,077,916.49 and 1,309,584.60 is: 1,964,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,167.32 : 2,077,916.49 = 1,309,584.60 : x
  2. Step 2: Convert to fraction form
    1,385,167.32/2,077,916.49 = 1,309,584.60/x
  3. Step 3: Cross multiply
    1,385,167.32x = 2,077,916.49 × 1,309,584.60
  4. Step 4: Simplify right side
    1,385,167.32x = 2,721,207,435,390.05
  5. Step 5: Solve for x
    x = 2,721,207,435,390.05/1,385,167.32
  6. Step 6: Final answer
    x = 1,964,533.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.